Stations of Presentation - Fetal Head Positions. This custom medical exhibit reveals a single detailed view of the pregnant female abdomen during labor, pelvic bones, uterus, vaginal canal and fetus in utero. Identified within this view are stations of descent. This exhibit is somewhat atypical as it features an asymmetrical combination of descent station scales. Normally stations are either (-5, 0, +5) or more commonly (-3, 0, +3). This particular illustration shows a (-3, 0, +5) combination...